The greatest enemy of truth is very often not the lie -- deliberate, contrived, and dishonest -- but the myth -- persistent, pervasive, and unrealistic.
-- John F. Kennedy
(For those interested, I'm pulling most of these quotes from Rational Choice in an Uncertain World by Robyn Dawes, which I just began)
A monthly thread for posting any interesting rationality-related quotes you've seen recently on the Internet, or had stored in your quotesfile for ages.